156979815

素因数分解:

$3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{439}}^1\times {\mathrm{769}}^1$

素因数の和:1247

約数の個数: 32

約数和(自身を含む): 260198400

約数和(自身を除く): 103218585

約数列:

[1, 3, 5, 15, 31, 93, 155, 439, 465, 769, 1317, 2195, 2307, 3845, 6585, 11535, 13609, 23839, 40827, 68045, 71517, 119195, 204135, 337591, 357585, 1012773, 1687955, 5063865, 10465321, 31395963, 52326605, 156979815]

約数ペア:

[(1, 156979815), (3, 52326605), (5, 31395963), (15, 10465321), (31, 5063865), (93, 1687955), (155, 1012773), (439, 357585), (465, 337591), (769, 204135), (1317, 119195), (2195, 71517), (2307, 68045), (3845, 40827), (6585, 23839), (11535, 13609)]